Las Vegas to Los Angeles Flight Delays
Sample size: 28,583 LAS–LAX flights, January 2023 to December 2025 (BTS). 24.09% of Las Vegas to Los Angeles flights arrived at least 15 minutes late. That tracks the 24.2% median for the major US domestic routes DelayGuard covers almost exactly. Departure time moves the odds more than anything else on this route: 05:00 departures run 4.42% late against 36.42% for 20:00. Saturday is the calmest day at 16.88%, Sunday the worst at 29.98%. Cancellations (2024 to 2025) peak in July at 2.06% of scheduled flights and bottom out in April at 0.07%. Last updated: 2026-10-01.
These figures are historical US domestic rates, not a forecast for one departure. Use the US domestic delay forecast before you book.
LAS airport delay guide · LAX airport delay guide · Predict a LAS to LAX flight
Best time to fly LAS to LAX
The best time to fly LAS to LAX is the 5 AM departure and fly on a Saturday, not a Sunday (16.88% against 29.98%): 4.42% of 5 AM flights arrived 15+ minutes late, against 36.42% at 8 PM.
Lowest observed delay rates depart 05:00–07:00. The highest sit at 15:00, 20:00–21:00. Only departure hours with at least 100 recorded flights are listed, so sparse hours are blank rather than estimated.
| Departure hour | Delayed 15+ min | Flights observed |
|---|---|---|
| 05:00 | 4.42% | 791 |
| 06:00 | 6.01% | 2,845 |
| 07:00 | 12.62% | 1,830 |
| 08:00 | 16.09% | 1,330 |
| 09:00 | 17.97% | 1,469 |
| 10:00 | 19.16% | 2,380 |
| 11:00 | 24.21% | 1,293 |
| 12:00 | 21.82% | 1,361 |
| 13:00 | 29.06% | 1,428 |
| 14:00 | 27.04% | 1,187 |
| 15:00 | 34.55% | 1,201 |
| 16:00 | 33.18% | 1,305 |
| 17:00 | 32.53% | 1,866 |
| 18:00 | 31.71% | 1,687 |
| 19:00 | 30.21% | 3,009 |
| 20:00 | 36.42% | 1,793 |
| 21:00 | 35.39% | 1,037 |
| 22:00 | 34.08% | 537 |
| 23:00 | 28.63% | 234 |
LAS to LAX flight time and distance
Scheduled gate-to-gate time from LAS to LAX is a median 1 h 18 min. Flights actually took a median 1 h 10 min gate to gate, including 42 min in the air. 2.0% ran 30 or more minutes over schedule and 71.5% arrived sooner than scheduled (BTS data, January 2023 to December 2025).
LAS to LAX is 236 miles (BTS data).
| Airline | Scheduled (median) | Actual (median) | In the air (median) | 30+ min over schedule | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 1 h 15 min | 1 h 7 min | 42 min | 1.4% | 8,213 |
| Delta Air Lines | 1 h 18 min | 1 h 11 min | 42 min | 1.9% | 5,257 |
| United Airlines | 1 h 18 min | 1 h 12 min | 42 min | 2.3% | 4,335 |
| Spirit Airlines (ceased operating May 2026) | 1 h 20 min | 1 h 9 min | 43 min | 1.4% | 3,982 |
| American Airlines | 1 h 18 min | 1 h 12 min | 42 min | 2.1% | 3,541 |
| SkyWest Airlines | 1 h 22 min | 1 h 18 min | 44 min | 2.8% | 984 |
| Frontier Airlines | 1 h 20 min | 1 h 15 min | 43 min | 2.3% | 914 |
| JetBlue Airways (No flights after Jun 2024 in our data) | 1 h 16 min | 1 h 12 min | 42 min | 5.4% | 777 |
| Alaska Airlines | 1 h 23 min | 1 h 17 min | 42 min | 4.5% | 580 |
How late, and why
When a LAS to LAX flight was late (15+ minutes), it arrived an average of 65 minutes late (median 38). 7.2% of all completed flights arrived an hour or more late (BTS data, 2023 to 2025).
Of the delay minutes on late LAS to LAX flights, 50.4% were caused by a late incoming aircraft, 29.3% by the airline (crew, maintenance, ground handling), 17.0% by the air-traffic system (volume, non-extreme weather, airport operations), 3.2% by extreme weather and 0.2% by security (BTS data, 2023 to 2025).
| Cause | Share of delay minutes |
|---|---|
| late incoming aircraft | 50.4% |
| airline | 29.3% |
| air-traffic system | 17.0% |
| extreme weather | 3.2% |
| security | 0.2% |
BTS assigns causes to delay minutes on flights that arrived 15+ minutes late. "Air-traffic system" includes non-extreme weather that slows traffic.
LAS to LAX delays by day of week
| Day | Delayed 15+ min | Flights observed |
|---|---|---|
| Mon | 26.33% | 4,360 |
| Tue | 17.76% | 3,907 |
| Wed | 18.65% | 3,951 |
| Thu | 27.68% | 4,281 |
| Fri | 29.26% | 4,289 |
| Sat | 16.88% | 3,589 |
| Sun | 29.98% | 4,206 |
Month-by-month cancellation pattern
Share of scheduled LAS–LAX flights cancelled in each month, from BTS 2024–2025 on-time reporting. These are cancellations, not delays. Delay figures on this page cover January 2023 to December 2025.
| Month | Cancelled | Flights scheduled |
|---|---|---|
| Jan | 2.04% | 1,520 |
| Feb | 0.34% | 1,452 |
| Mar | 0.38% | 1,574 |
| Apr | 0.07% | 1,534 |
| May | 0.25% | 1,596 |
| Jun | 0.2% | 1,497 |
| Jul | 2.06% | 1,551 |
| Aug | 0.25% | 1,578 |
| Sep | 0.2% | 1,479 |
| Oct | 0.13% | 1,544 |
| Nov | 1.33% | 1,509 |
| Dec | 0.13% | 1,488 |
Airlines on LAS to LAX: delays and cancellations
Southwest Airlines, Delta Air Lines, United Airlines, American Airlines, Frontier Airlines, SkyWest Airlines and Alaska Airlines fly this route today. Spirit Airlines also appear in the history below but has ceased operations. Only carriers with at least 200 scheduled flights on the pairing are listed. Delay rates cover January 2023 to December 2025; cancellation rates cover 2024 to 2025.
| Airline | Share of flights | Delayed 15+ min | Cancelled | Flights scheduled |
|---|---|---|---|---|
| Southwest Airlines | 28% | 31.36% | 0.31% | 5,083 |
| Delta Air Lines | 19% | 20.28% | 0.49% | 3,485 |
| United Airlines | 16% | 16.19% | 1.23% | 3,001 |
| American Airlines | 13% | 22.82% | 0.29% | 2,386 |
| Spirit Airlines (ceased operations 2 May 2026) | 13% | 21.37% | 0.46% | 2,374 |
| Frontier Airlines | 5% | 22.65% | 0.33% | 918 |
| SkyWest Airlines | 3% | 22.97% | 1.57% | 572 |
| Alaska Airlines | 2% | 26.55% | 3.27% | 336 |
Related pages
- LAS delays: rate, worst hours and live risk
- LAX delays: rate, worst hours and live risk
- US airline cancellation rates
- Thanksgiving and Christmas 2026 flight delay guide
- Predict a LAS to LAX flight
Check your odds: Will my flight be delayed? · Will my flight be cancelled?
LAS vs LAX: airport conditions
Both ends of a route shape its delay profile. These are DelayGuard's operational scores for Las Vegas and Los Angeles.
| Measure | LAS (Las Vegas) | LAX (Los Angeles) |
|---|---|---|
| Congestion | moderate | high |
| Weather risk | low | low |
| NAS vulnerability | moderate | moderate |
| Average taxi-out | 13 min | 16 min |
| Runways | 4 | 4 |
LAS to LAX questions
- How long is the flight from Las Vegas to Los Angeles?
- Scheduled gate-to-gate time from LAS to LAX is a median 1 h 18 min, and flights actually took a median 1 h 10 min including 42 min in the air. 2.0% ran 30+ minutes over schedule (BTS data, January 2023 to December 2025).
- How often do LAS to LAX flights get delayed?
- Across 28,583 recorded LAS–LAX departures, January 2023 to December 2025 (BTS), 24.09% arrived at least 15 minutes late. Departure time matters most: 5:00 departures run 4.42% late against 36.42% for 20:00. Actual delay frequency varies by airline, time of day, and season.
- What is the best time of year to fly LAS to LAX?
- Both Las Vegas and Los Angeles share the same primary risk window: November–February (coastal fog) with generally low risk year-round. Plan around those periods for the lowest delay probability on this route.
- Which airline is most reliable on LAS to LAX?
- On LAS→LAX, United Airlines has the lowest measured delay rate at 16.19% of 4,335 flights, and Southwest Airlines the highest at 31.36% (BTS, January 2023 to December 2025). American Airlines cancels the fewest at 0.29% (2024 to 2025). These are route-specific figures, not airline-wide averages.
- How late are LAS to LAX flights when they are delayed?
- When a LAS to LAX flight was late (15+ minutes), it arrived an average of 65 minutes late (median 38). 7.2% of all completed flights arrived an hour or more late (BTS data, 2023 to 2025).
- How accurate is DelayGuard's delay prediction for this route?
- DelayGuard's delay risk score comes from an ML model trained on BTS data (3.95 million US domestic flights, 2023 to mid-2025), with live weather data (within 5 days of departure) and FAA NAS advisories (within 6 hours) — a likelihood of delay, not a guarantee.
Delay figures reflect arrivals 15 or more minutes late in BTS on-time reporting. Cancellation figures are separate and count flights that never operated. Hours, days and months with fewer than 100 recorded flights are omitted rather than estimated.